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Stockholders' Equity (Details) (USD $)	3 Months Ended
	Mar. 31, 2013
Warrants Outstanding	561,368
Warrant 1 [Member]
Warrants Exercise Price	$ 0
Warrants Outstanding	80,000
Warrants Outstanding Weighted Average Exercise Price	$ 1.8
Warrants Outstanding Remaining Life (in Years)	7 years 10 months 20 days
Warrant 2 [Member]
Warrants Exercise Price	$ 0
Warrants Outstanding	136,368
Warrants Outstanding Weighted Average Exercise Price	$ 2.2
Warrants Outstanding Remaining Life (in Years)	3 years 1 month 10 days
Warrant 3 [Member]
Warrants Exercise Price	$ 0
Warrants Outstanding	345,000
Warrants Outstanding Weighted Average Exercise Price	$ 5
Warrants Outstanding Remaining Life (in Years)	4 years 25 days

X

- Definition

Exercise price of the warrants.

+ References

No definition available.

+ Details

Name:	clir_WarrantsExercisePrice
Namespace Prefix:	clir_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of warrants outstanding as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	clir_WarrantsOutstanding
Namespace Prefix:	clir_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The remaining life of warrants outstanding.

+ References

No definition available.

+ Details

Name:	clir_WarrantsOutstandingRemainingLife
Namespace Prefix:	clir_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The weighted average exercise price of warrants outstanding

+ References

No definition available.

+ Details

Name:	clir_WarrantsOutstandingWeightedAverageExercisePrice
Namespace Prefix:	clir_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration